| Patents for G01B 9 - Instruments as specified in the subgroups and characterised by the use of optical measuring means (14,810) |
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| 03/25/1998 | EP0831568A2 A dual harmonic-wavelength split-frequency laser |
| 03/25/1998 | EP0831312A1 Optical fibre interferometer and optical fibre piezo-electric modulator |
| 03/25/1998 | EP0831298A2 Wave-surface aberration-measuring apparatus and methods |
| 03/25/1998 | EP0831297A1 Optical apparatus for inspecting laser texture |
| 03/25/1998 | EP0831296A1 Optical apparatus for rapid defect analysis |
| 03/24/1998 | US5732095 Dual harmonic-wavelength split-frequency laser |
| 03/18/1998 | EP0828989A1 Method and apparatus for integrating an automated system to a laboratory |
| 03/13/1998 | CA2212080A1 Triple modulation experiment for a fourier transform spectrometer |
| 03/11/1998 | EP0828138A2 Device for examining surfaces |
| 03/11/1998 | EP0828137A2 Device for examining surfaces |
| 03/05/1998 | DE19729380A1 Physical dimensions determining method for person represented by stored image from monitoring camera |
| 03/04/1998 | EP0827002A2 Method of determining position data and device for measuring the magnification of an optical beam path |
| 03/03/1998 | US5724137 Fringe pattern discriminator for interferometer using diffraction gratings |
| 03/03/1998 | US5724136 For providing a measurement of motion of a moving stage |
| 02/26/1998 | WO1998008219A1 Phase-controlled evanescent field systems and methods |
| 02/26/1998 | DE4313076C2 Interferometer Interferometer |
| 02/26/1998 | DE19727404A1 System for determining fluctuations in refractive index of gas or air |
| 02/26/1998 | DE19727402A1 System for determining fluctuations in refractive index of gas or air |
| 02/25/1998 | EP0825479A1 Optical non-linear branching element with MZ interferometer |
| 02/24/1998 | US5721616 Tilt free micromotion translator |
| 02/24/1998 | US5721615 Sensor system for measurement of temperature or strain |
| 02/17/1998 | US5719676 Diffraction management for grazing incidence interferometer |
| 02/17/1998 | US5719673 Interferometer arrangement with adjustable optical path length difference for detecting a distance between different layers of an eye |
| 02/12/1998 | WO1998005933A1 Interferometer and method for compensation of dispersion or increase in spectral resolution of such an interferometer |
| 02/11/1998 | EP0823307A1 Optical unit for image projection and tool incorporating same |
| 02/11/1998 | CN1172958A Mach-zehnder interferometric devices with composite fibers |
| 02/10/1998 | US5716324 Endoscope with surface and deep portion imaging systems |
| 02/04/1998 | EP0822436A2 Method for determining measurement-point position data and device for measuring the magnification of an optical beam path |
| 02/04/1998 | CN1172532A Electro-optical measuring device for absolute distances |
| 02/03/1998 | US5715057 Reference interferometer with variable wavelength and folded measurement beam path |
| 02/03/1998 | US5715054 Scanning force microscope with detector probe for the atomic resolution of a surface structure |
| 02/03/1998 | US5713893 Anhydrous acrylic having ablation rate similar to that of human corneal tissue; for evaluation of lasers for ophthalmologic surgery |
| 01/29/1998 | WO1998003836A1 Coordinate measuring system |
| 01/28/1998 | EP0821246A1 Self-mixing laser velocimeter |
| 01/22/1998 | WO1998002720A1 An interferometer |
| 01/22/1998 | DE4204857C2 Verfahren zur Untersuchung einer Oberflächenform mit einem Interferometer A method of examining a surface shape with an interferometer |
| 01/22/1998 | CA2260076A1 An interferometer |
| 01/21/1998 | EP0819964A1 Microscope aperture control |
| 01/21/1998 | CN1037125C Method and apparatus for detecting surface roughness |
| 01/20/1998 | US5710848 Optimized non-linear effect tapered optical fiber and method of making same |
| 01/20/1998 | US5710629 Interferometric measuring device forming a spacial interference pattern |
| 01/14/1998 | EP0818694A1 Mach-zehnder interferometric devices with composite fibers |
| 01/13/1998 | US5708505 Laser interferometer having a sheath for the laser beam |
| 01/08/1998 | CA2208122A1 Mach-zehnder interferometric devices with composite fibers |
| 01/07/1998 | EP0816798A2 Method and interferometric apparatus for measuring changes in displacement of an object in a rotating reference frame |
| 01/07/1998 | EP0815411A1 Process and device for determining three-dimensional structures in the submicron range |
| 01/06/1998 | US5706085 Method for the non-contact rapid and accurate acquisition of the surface topology of objects |
| 01/06/1998 | US5706084 Modulated source interferometry with combined amputude & frequency modulation |
| 01/02/1998 | DE19625830A1 Process for obtaining shearing patterns by speckle interferometry |
| 12/31/1997 | WO1997049970A1 Fringe pattern discriminator for interferometer using diffraction gratings |
| 12/31/1997 | CN1168967A Fiber coupled interferometric displacement sensor |
| 12/29/1997 | EP0814331A2 Optical test system including interferometer with micromirror |
| 12/17/1997 | EP0746745A4 Method and apparatus for the rapid acquisition of data in coherence scanning interferometry |
| 12/16/1997 | US5699160 Optical apparatus for inspecting laser texture |
| 12/16/1997 | US5699158 Apparatus for accurately detecting rectilinear motion of a moving object using a divided beam of laser light |
| 12/11/1997 | WO1997046890A1 Interferometric signal processing apparatus |
| 12/11/1997 | DE19723448A1 Compensation method for time delay in interferometer measurement and reference signals |
| 12/11/1997 | CA2256717A1 Interferometric signal processing apparatus |
| 12/10/1997 | EP0682771A4 Method and apparatus for surface topography measurement by spatial-frequency analysis of interferograms. |
| 12/10/1997 | EP0609419B1 Interferometric probe for distance measurement |
| 12/04/1997 | WO1997045773A1 Interferometric broadband imaging |
| 12/03/1997 | EP0810457A1 Scanning confocal microscope |
| 12/03/1997 | CN2269583Y Telescope for measuring distance |
| 12/02/1997 | US5694220 Minute step measuring method |
| 12/02/1997 | US5694217 Interferometer for testing forms of surface and stress and strain |
| 12/02/1997 | US5694216 Scanning heterodyne acousto-optical interferometers |
| 11/27/1997 | DE19620192A1 Scanning equipment, in particular scanning probe microscope |
| 11/20/1997 | DE19719462A1 Contrast increasing method for coherence tomographic imaging |
| 11/20/1997 | DE19637777C1 Method of error correction for heterodyne transformer |
| 11/19/1997 | EP0807812A1 Glucose concentration measuring method and apparatus |
| 11/19/1997 | EP0807262A1 Electro-optical measuring device for absolute distances |
| 11/19/1997 | CN1165079A Marking of mold inserts to produce marked contact lenses |
| 11/18/1997 | US5689335 Apparatus and method for heterodyne-generated two-dimensional detector array using a single element detector |
| 11/13/1997 | DE19643074A1 Interferometer test apparatus for examining surface characteristics |
| 11/13/1997 | DE19618419A1 Diffraction limited spherical wave generator for e.g. reference wave in interferometer |
| 11/06/1997 | WO1997040991A2 Method for analyzing a separation in a deformable structure |
| 11/05/1997 | EP0804712A1 Interferometric measurement of surfaces with diffractive optics at grazing incidence |
| 11/04/1997 | US5684594 Object fixturing in interferometer |
| 11/04/1997 | US5684588 Homodyne and hetrodyne imaging in a light scattering medium |
| 10/28/1997 | US5682447 Photomechanical positioning and stabilization method and devices using optical fibers and feedback |
| 10/28/1997 | US5682240 Interferometric measurements with multiple light sources |
| 10/28/1997 | US5682239 Apparatus for detecting positional deviation of diffraction gratings on a substrate by utilizing optical heterodyne interference of light beams incident on the gratings from first and second light emitters |
| 10/28/1997 | US5682238 Signal processing apparatus |
| 10/28/1997 | US5682237 Fiber strain sensor and system including one intrinsic and one extrinsic fabry-perot interferometer |
| 10/23/1997 | WO1997039309A1 Object fixturing in interferometer |
| 10/23/1997 | WO1997039307A1 Diffraction management for grazing incidence interferometer |
| 10/23/1997 | WO1997039306A1 Apparatus for analyzing a separation in a deformable structure |
| 10/23/1997 | WO1997039305A1 Sensitive and fast response optical detection of transient motion from a scattering surface by two-wave mixing |
| 10/22/1997 | EP0801760A1 Method of determining the position of a feature on an object relative to a surgical microscope and a device for carrying out the method |
| 10/22/1997 | EP0647310B1 Method of an apparatus for interferometrically inspecting a surface of an object |
| 10/22/1997 | EP0620912A4 Interferometer structure. |
| 10/21/1997 | US5680214 Horizontal-post/vertical-flexure arrangement for supporting large reference optics in phase-shifting scanning |
| 10/21/1997 | US5680212 Sensitive and fast response optical detection of transient motion from a scattering surface by two-wave mixing |
| 10/21/1997 | US5680210 Interferometric target detecting apparatus having a light source with more Lorentzian than Gaussian spectral components |
| 10/16/1997 | DE19630191C1 Laser interferometer with encapsulated measuring path |
| 10/15/1997 | CN1162125A Compensater for compensating optical distance variation through transparent material by thermal dilation |
| 10/14/1997 | US5677768 Method and interferometric apparatus for measuring changes in displacement of an object in a rotating reference frame |
| 10/14/1997 | US5677767 Fiber ring interferometer using a Kerr medium optical fiber loop |
| 10/09/1997 | WO1997037264A1 Confocal optical apparatus |
| 10/09/1997 | DE19613303A1 Absolute distance measurement method working with variable wavelengths using two light conductors |